Artifact Details Title Vacuum tube type 6145 Catalog Number 102732328 Type Physical object Description The object is from the Whirlwind collection. Information on a piece of cardboard found in the box reads "Bus Driver Arithmetic Rack S/N4" and "6145 tubes, 7AD7, and 7AK7 all interchangeable on rack." The tube has 8 pins. Date ca. 1951 Identifying Numbers Model number 6145 Printed in gray at the top Other number D3P Printed at the top of the tube Dimensions overall: 3 1/4 in x 1 1/4 in x 1 1/4 in Category Component/vacuum tube Lot Number X115.82 Related Records 102731742 Vacuum tube type 5881